Split notochord syndrome (SNS) is a rare congenital anomaly characterized by incomplete midline notochordal integration during gastrulation, leading to segmental clefts of the spine. This case report describes a female patient with symptomatic cervico-dorsal SNS associated with a neurenteric cyst (NEC), intrathoracic gut duplication, and secondary hydrocephalus. Multistep surgical interventions were performed, including hydrocephalus management, excision of the cyst and gut duplication, and detethering with sectioning of the filum.
View Article and Find Full Text PDFThe electron density determines all properties of a system of nuclei and electrons. It is both computable and observable. Its topology allows gaining insight into the mechanisms of bonding and other phenomena in a way that is complementary to and beyond that available from the molecular orbital picture and the formal oxidation state (FOS) formalism.
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